hile the men of F Troop are undergoing their annual physicals word comes that the Mexican bandit El Diablo is at large. It turns out that he and Corporal Agarn are cousins and look exactly alike. Agarn with the troop under his command set out to capture Diablo...but Diablo has taken Parmenter, Jane, O'Rourke and Dobbs prisoner.

Résumé de IMDb.com